Supplier Page from Thermo Fisher Scientific for (R)-(+)-Tetrahydro-2-furoic acid, 98+%, ee 98%
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific